The structure of assertiveness: a confirmatory approach

By using confirmatory factor analysis, distress and performance factors of assertion identified previously in a sample of predominantly agoraphobic club members ( N = 703) employing the Scale for Interpersonal Behavior (SIB)—the factors being (I) Display of negative feelings; (II) Expression of and dealing with personal limitations; (III) Initiating assertiveness; and (IV) Praising others and the ability to deal with compliments/praise of others (positive assertion)—were shown to be reproducible (constant) in a combined sample of shy, socially phobic and unassertive Ss treated on an outpatient basis ( N = 269). The importance of studies of this kind is briefly pinpointed.